第一次提交

Bsp/get_json.c

@@ -0,0 +1,54 @@
+#include "get_json.h"
+#include "cJSON.h"
+#include "bsp_uart.h"
+#include "string.h"
+
+uint8_t uart_rx_buffer[1024];
+json_data_struct json_data;
+
+int get_Json_data(void)
+{
+		int result = -1;
+		uint16_t uart_get_num =  usart_rx_get_rx_data_count(USART_3_TR);
+		uint16_t arry_size = 0;
+		
+		if(uart_get_num > 0)
+		{
+				usart_rx_recv(USART_3_TR, uart_rx_buffer, uart_get_num);
+				cJSON *cjson = NULL,*params = NULL,*params_math = NULL;
+				cjson = cJSON_Parse((const char*)uart_rx_buffer);
+				
+				memset(uart_rx_buffer,0x00,sizeof(uart_rx_buffer));
+				if(cjson != NULL)
+				{
+					params = cJSON_GetObjectItem(cjson,"params");
+					params_math = cJSON_GetObjectItem(params,"math");
+					arry_size = cJSON_GetArraySize(params_math);
+					if(arry_size >= 2)
+					{
+							json_data.min_trigger_res_value = cJSON_GetArrayItem(params_math, 0)->valueint;
+							json_data.max_trigger_res_value = cJSON_GetArrayItem(params_math, 1)->valueint;
+							result = 1;
+					}
+				}
+				cJSON_Delete(cjson);
+				
+		}
+		else
+		{
+			
+		}
+		
+		return result;
+}
+
+uint16_t get_json_min_trigger_res_value(void)
+{
+	return json_data.min_trigger_res_value;
+}
+
+uint16_t get_json_max_trigger_res_value(void)
+{
+	return json_data.max_trigger_res_value;
+}
+